Flexo Film Wraps [India] Limited manufactures Tough Stretch Cling Film. Flexo Film Wraps [India] Limited, an ISO 9001-2000 accredited company also manufactures high quality flexible packaging films. The Tough Stretch Cling Film, also known as Treiflex®, is used for domestic as well as institutional applications like palletisation, roll wrapping, bundling and spiral wrapping etc. The Tough Stretch Cling Film stretches like rubber band and has ability to retract. The Tough Stretch Cling Film holds packed load tightly together. The Tough Stretch Cling Film has a natural inbuilt cling to seal to itself.